Does the term "JavaScript" serve as an erroneous substitute for "ECMAScript"?

From my perspective, it seems that:

  • Modern browsers adhere to the ECMAScript Language Specification

  • The trademark for "JavaScript" belongs to Oracle Corporation, currently used by Netscape and Mozilla

  • According to page 43 of the 2018 ECMAScript specification, "ECMAScript is based on several originating technologies, the most well-known being JavaScript (Netscape) and JScript (Microsoft)"

Originally, I thought that ECMAScript standardized JavaScript. However, based on the information above, it appears that while ECMAScript has heavily borrowed from JavaScript, today "JavaScript" is just an implementation of ECMAScript.

Therefore, if I were to write code intended to be run across all browsers like Chrome, Firefox, and Edge, would it be incorrect to refer to it as "JavaScript" according to a strict interpretation?

Does ECMAScript provide any guidance on whether using the name "JavaScript" is an acceptable synonym for ECMAScript?

javascriptbrowserweb-applicationsstandards

Answer №1

Discover the fascinating history of JavaScript here!

In the mid-90s, Brendan Eich created the original version of what is now known as "JavaScript." The name underwent a transformation through a collaboration between Netscape and Sun Microsystems, initially being called Mocha and LiveScript before settling on JavaScript.

As a response to this development, Microsoft introduced JScript, which while similar to early JavaScript, had its own set of implementations and API names. This discrepancy caused confusion for engineers for several years.

Fast forward to today, ECMAScript has become the standardized successor to Brendan Eich's initial JavaScript concept, with Microsoft discontinuing JScript long ago. Consequently, "JavaScript" and "ECMAScript" are essentially synonymous terms in the current tech landscape.

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